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Finding the Fourth Proportional to 18,537.56, 27,800.53 and 6,054.74

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Solution

The fourth proportional to 18,537.56, 27,800.53 and 6,054.74 is: 9,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.56 : 27,800.53 = 6,054.74 : x
  2. Step 2: Convert to fraction form
    18,537.56/27,800.53 = 6,054.74/x
  3. Step 3: Cross multiply
    18,537.56x = 27,800.53 × 6,054.74
  4. Step 4: Simplify right side
    18,537.56x = 168,324,981.01
  5. Step 5: Solve for x
    x = 168,324,981.01/18,537.56
  6. Step 6: Final answer
    x = 9,080.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.